Ziyang Xu, MD, PHD
Dermatology Physician · New York, NY
Ziyang Xu, MD, PHD is a dermatology physician with a practice address in New York, New York, and NPI 1184374118, issued on Mar 24, 2022. Check the license (New York 324727, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ziyang Xu
- Credential
- MD, PHD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 324727 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 1St Ave, New York, NY 10016
- Phone
- (646) 929-7800
- Enumerated
- Mar 24, 2022
- Record last updated
- Nov 10, 2023
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,211 in New York → Look up another NPI →
Also registered at 550 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarisse AbanillaPhysician Assistant1598445579
- Ehab Abaza, MDInternal Medicine Physician1114507555
- Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
- Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
- Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
- Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324
Verify Ziyang Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 324727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average dermatology physician in 2024
592 Medicare Part D claims for 151 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Triamcinolone Acetonide108 claims
- Clobetasol Propionate93 claims
- Ketoconazole68 claims
- Ammonium Lactate32 claims
- Hydrocortisone22 claims
- Tacrolimus19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ziyang Xu among 1,211 dermatology physician records in New York
Ziyang Xu, MD, PHD is one of 1,211 dermatology physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New York
There are 1,211 dermatology physician records in New York.
All 1,211 in New York → Every provider in New York → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Timothy Cardozo, MD-PHDNew York, NY 100161386627891
- David Cohen, M.D.New York, NY 100161730179680
- Alvin Friedman-Kien, MDNew York, NY 100161679546980
- Gervaise Gerstner, MDNew York, NY 100161770584195
- Elizabeth Goldberg, MDNew York, NY 100161215918438
- Kenneth Howe, MDNew York, NY 100161932100245
- Edwin Joe, M.D.New York, NY 100161912980129
- Dmitry Khasak, MDNew York, NY 100161649258286
Common questions
What is Ziyang Xu, MD, PHD's NPI number?
Ziyang Xu, MD, PHD's National Provider Identifier (NPI) is 1184374118, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ziyang Xu, MD, PHD located?
The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (646) 929-7800. Providers update this record themselves, so call before visiting.
How can I verify Ziyang Xu, MD, PHD's license?
NPPES lists New York license number 324727, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ziyang Xu, MD, PHD prescribe under Medicare Part D?
In 2024, Ziyang Xu, MD, PHD had 592 Medicare Part D claims for 151 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.